300 Commercial St # 507, Boston MA 02109

Boston, MA 02109 • Waterfront

$1,354,000

Est. $9,593/month

2

Beds

2

Baths

1,232

Sq Ft

$1,099

Price/Sq Ft

0.03

Acres

1900

Year Built

Condominium

Type

5

Days on Market

Closed Listed Mar 26, 2026 • MLS# 73492472 Copied!

About this home

Long before Boston’s waterfront traded cargo ships for cappuccinos, before the skyline shimmered and the Harborwalk traced the edge of the sea, this stretch of Commercial Street moved to the rhythm of ships, trade, and salt air. As the city reinvented itself, so did this storied building, evolving into The Mariner and trading industrial hustle for luxury waterfront living where Residence 507 has a front-row balcony seat to Boston’s skyline glow-up. A home that lives at the intersection of history and happy hour. Here, mornings begin with harbor sunrises and caffeinated dog walks along the water, afternoons invite spontaneous strolls through the North End’s timeless streets and the Waterfront’s green open spaces, and evenings unfold somewhere between harbor breezes, the hum of dining rooms with “just one more” espresso martini and the glow of the city skyline. This is a home shaped by movement, by stories layered over time, and by the unmistakable energy of urban coastal living.

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Public Records

Current Owner

Owner HARRIS MICHAEL

Mailing Address PO BOX 1960, WAKEFIELD, MA, 01880

Land Use

Use Code 102

Description Condominium

Style Mid Rise

Tax Information

Assessed Value $956,700

Assessment History

Year	Land	Building	Total	Change
FY2023	$0	$956,700	$956,700	—

Sale History

Date	Price	Book/Page
Oct 14, 2022	$490,000	68315/287
Oct 13, 2022	$560,000	68306/56
Jul 26, 2022	$615,000	67994/237
Jul 21, 2022	$525,000	67973/249
Jun 15, 2022	$750,000	67804/232
May 6, 2022	$99	67604/74
Apr 14, 2022	$550,000	67482/190
Feb 4, 2022	$676,000	67130/222
Jan 28, 2022	$1,400,000	67094/139
Aug 23, 2021	$538,000	66140/55

Building Permit History

Issued	Type / Work	Status	Value
May 27, 2026	Electrical Permit ELECTRICAL Electrical Permit #E1853808	Open	$3,800
May 27, 2026	Plumbing Permit PLUMBING Plumbing Permit #PL1855053	Open	$3,000
May 6, 2026	Short Form Bldg Permit EXTREN Renovations - Exterior Permit #SF1833647	Open	$170,988
Apr 17, 2026	Short Form Bldg Permit INTREN Renovations - Interior NSC Permit #SF1839860	Open	$78,350
Feb 10, 2026	Plumbing Permit PLUMBING Plumbing Permit #PL1819141	Open	$1,800
Jan 16, 2026	Electrical Permit ELECTRICAL Electrical Permit #E1797182	Closed	$1,000
Dec 1, 2025	Long Form/Alteration Permit SPRINK Fire Protection/Sprinkler Permit #ALT1795325	Open	$17,400
Nov 19, 2025	Electrical Permit ELECTRICAL Electrical Permit #E1799203	Closed	$8,600
Nov 18, 2025	Plumbing Permit PLUMBING Plumbing Permit #PL1798828	Closed	—
Oct 22, 2025	Short Form Bldg Permit INTREN Renovations - Interior NSC Permit #SF1787303	Open	$29,525
Aug 5, 2025	Short Form Bldg Permit INTEXT Interior/Exterior Work Permit #SF1741213	Open	$35,000
Jul 10, 2025	Electrical Permit ELECTRICAL Electrical Permit #E1745771	Closed	$16,500
Jul 10, 2025	Electrical Permit ELECTRICAL Electrical Permit #E1745667	Closed	$5,700
Jul 7, 2025	Electrical Permit ELECTRICAL Electrical Permit #E1743354	Open	$16,300
Jul 2, 2025	Plumbing Permit PLUMBING Plumbing Permit #PL1743877	Open	—
Jun 16, 2025	Plumbing Permit PLUMBING Plumbing Permit #PL1732773	Open	—
Jun 10, 2025	Plumbing Permit PLUMBING Plumbing Permit #PL1721936	Closed	$6,000
Apr 16, 2025	Short Form Bldg Permit INTEXT Interior/Exterior Work Permit #SF1706631	Open	$188,500
Apr 16, 2025	Short Form Bldg Permit INTEXT Interior/Exterior Work Permit #SF1708055	Open	$67,700
Feb 25, 2025	Short Form Bldg Permit INTREN Renovations - Interior NSC Permit #SF1691773	Closed	$100,000
Jan 23, 2025	Plumbing Permit PLUMBING Plumbing Permit #PL1682999	Open	$1,400
Jan 6, 2025	Long Form/Alteration Permit FA Fire Alarm Permit #ALT1672052	Closed	$121,550
Dec 24, 2024	Short Form Bldg Permit INTREN Renovations - Interior NSC Permit #SF1678888	Closed	$14,350
Nov 25, 2024	Electrical Fire Alarms FA Fire Alarm Permit #EFA1670219	Closed	$60,000
Nov 20, 2024	Short Form Bldg Permit INTEXT Interior/Exterior Work Permit #SF1667043	Closed	$187,500
Feb 22, 2024	Short Form Bldg Permit EXTREN Renovations - Exterior Permit #SF1571980	Open	$453,901
Sep 29, 2023	Electrical Permit ELECTRICAL Electrical Permit #E1529801	Closed	$5,000
Sep 18, 2023	Plumbing Permit PLUMBING Plumbing Permit #PL1524276	Closed	$5,000
Aug 19, 2023	Short Form Bldg Permit OTHER Other Permit #SF1502138	Open	$30,000
May 22, 2023	Electrical Permit ELECTRICAL Electrical Permit #E1466023	Open	$4,400
May 8, 2023	Plumbing Permit PLUMBING Plumbing Permit #PL1465575	Open	$1,500
Aug 3, 2022	Short Form Bldg Permit INTEXT Interior/Exterior Work Permit #SF1353383	Open	$388,270
Apr 11, 2022	Plumbing Permit PLUMBING Plumbing Permit #PL1319939	Open	$1,000
Mar 28, 2022	Plumbing Permit PLUMBING Plumbing Permit #PL1307928	Closed	$800
Mar 4, 2022	Electrical Low Voltage LVOLT Low Voltage Permit #ELV1299841	Open	$100
Feb 23, 2022	Plumbing Permit PLUMBING Plumbing Permit #PL1297209	Closed	$10,000
Feb 4, 2022	Electrical Permit ELECTRICAL Electrical Permit #E1292030	Closed	$25,000
Feb 4, 2022	Electrical Fire Alarms FA Fire Alarm Permit #EFA1292032	Open	$750
Feb 3, 2022	Electrical Low Voltage LVOLT Low Voltage Permit #ELV1292033	Open	$500
Jan 21, 2022	Short Form Bldg Permit INTREN Renovations - Interior NSC Permit #SF1287405	Closed	$17,184
Nov 10, 2021	Plumbing Permit PLUMBING Plumbing Permit #PL1252857	Open	$1,000
Jun 1, 2021	Electrical Permit ELECTRICAL Electrical Permit #E1203106	Closed	$850

Data: City of Boston Open Data (Analyze Boston)

Municipal Context: BOSTON

Match: address_condo (90.0% confidence) · Data as of Jun 1, 2026

Property Overview

Property Type

Condominium

Listing Type

For Sale

Year Built

1900

Bedrooms

2

Full Bathrooms

2

Living Area

1,232 sq ft

Total Rooms

5

Stories

1

Entry Level

5

Sale Statistics

Sale Overview

Original List Price: $1,350,000

                            Final Sale Price:
                            $1,354,000
                        

Difference: +$4,000 (+0.3%)

Performance Metrics

100.3%

List to Sale Ratio

Sold above asking price

5

Days on Market

Very fast sale

Price per Square Foot Analysis

Original $/sq ft: $1,096

                            Sale $/sq ft:
                            $1,099
                        

This property sold for $1,099 per square foot

Sale Summary

This property sold for 0.3% above the original asking price, indicating strong buyer demand.

With only 5 days on market, this was a quick sale compared to typical market conditions.

Nearby Sales Comparison

Based on 48 similar properties sold within 0.5 miles in the last 90 days

This Property

$1,099/sq ft

Area Average

$410/sq ft

Difference

+167.8%

This property sold for significantly more per square foot than similar nearby properties, suggesting premium features or condition.

Facts & Features

1 Car Garage

Home Facts

Type Residential

Style Condominium

Year Built 1900

Living Area 1,232 sq ft

Lot Size 0.03 acres

Bedrooms 2

Full Baths 2

Total Rooms 5

Interior

Heating Heat Pump

Cooling Heat Pump

Flooring Wood, Tile

Appliances Oven, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer

Fireplace None

Basement N

Laundry In Unit

Features None

Exterior

Construction Brick, Stone

Architecture None

Roof None

Features Deck, Deck - Roof

Pool None

Spa None

Fencing None

Patio/Porch Deck, Deck - Roof

Parking

Garage Spaces 1

Has Garage Yes

Features Attached, Under

Total Spaces 1

Utilities

Electric None

Water Public

Sewer Public Sewer

Gas None

Other For Electric Range, For Electric Oven

Financial

Annual Tax $14,515

Assessed Value $1,160,000

Interior Features

Flooring: Wood, Tile

Appliances: Oven, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer

Interior Features:

Windows:

Basement: N

Laundry: In Unit

Security: Concierge

Construction & Materials

Year Built: 1900

Effective Year (Renovated): 1986

Structure Type: Mid-Rise

Exterior Materials: Brick, Stone

Roof:

Foundation:

Stories: 1

Heating, Cooling & Utilities

Heating: Heat Pump

Cooling: Heat Pump

Hot Water:

Water Source: Public

Sewer: Public Sewer

Energy Features:

Exterior & Lot

Exterior Features: Deck, Deck - Roof

Patio & Porch: Deck, Deck - Roof

Fencing:

Other Structures:

Lot Features:

Road Surface:

Parking & Garage

Garage Spaces: 1

Garage Type: Attached

Total Parking Spaces: 1

Parking Features: Attached, Under

Location

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Neighborhood

Waterfront

300 Commercial St # 507, Boston MA 02109

Boston, MA 02109

Walkability

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Total Interest

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Down Payment

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Down: $0

Interest Rate

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Loan Term

Monthly Payment Breakdown

Principal & Interest $0

Property Tax $1,210

Homeowners Insurance $200

HOA Fee $1,337/mo

PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0

Total principal paid $0

Total interest paid $0

Rate Impact

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Payment Over Time

Interest

Principal

Year 1

95% Interest

Year 15

50/50

Year 30

95% Principal

* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.

Property History

Market Insights

Property Timeline

⏳

Pending Sale

Apr 1, 2026

Offer accepted, sale pending

🏠

Listed for Sale

Mar 26, 2026

$1,350,000

Original listing

Date	Event	Price	Change	$/sqft	Details
04/01/2026	⏳ Pending Sale	-	-	-	Offer accepted, sale pending
03/26/2026	🏠 Listed for Sale	$1,350,000	-	-	Original listing

Price & Status History

Date	Event	Price	Change
Mar 26, 2026	New Listing Added	$1,350,000	—

Market Statistics

Days on Market

5 days

Price per Sq Ft

$1,099

Tax History

Year	Taxes	Assessment
2026	$14,515	$1,160,000

Financial Details

Annual Property Tax

$14,515

Tax Year 2026

HOA Fee

$1,337

Monthly

Assessed Value

$1,160,000

Elementary Schools

Middle Schools

High Schools

Monthly Payment Breakdown

Loan Summary

Pending Sale

Listed for Sale

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300 Commercial St # 507, Boston MA 02109

About this home

Public Records

Current Owner

Land Use

Tax Information

Assessment History

Sale History

Building Permit History

Municipal Context: BOSTON

Property Overview

Sale Statistics

Nearby Sales Comparison

Facts & Features

Home Facts

Interior

Exterior

Parking

Utilities

Financial

Interior Features

Construction & Materials

Heating, Cooling & Utilities

Exterior & Lot

Parking & Garage

Location

Neighborhood

Walkability

Nearby Schools

Elementary Schools

Middle Schools

High Schools

Monthly Payment Calculator

Monthly Payment Breakdown

Loan Summary

Rate Impact

Payment Over Time

Property History

Market Insights

Property Timeline

Pending Sale

Listed for Sale

Detailed History Table ▼

Price & Status History

Market Statistics

Tax History

Financial Details

Listing Information

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